1,3

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

C. M. Glennie, Identities in Jordan algebras, pp. 307-313 of J. Leech, editor, Computational Problems in Abstract Algebra. Pergamon, Oxford, 1970.

Sequence in context: A091845 A020061 A125696 this_sequence A136104 A007841 A036760

Adjacent sequences: A001773 A001774 A001775 this_sequence A001777 A001778 A001779

nonn,nice

N. J. A. Sloane (njas(AT)research.att.com).